ASF GitHub Bot commented on NIFI-5175:

Github user asfgit closed the pull request at:


> NiFi built with Java 1.8 needs to run on Java 9
> -----------------------------------------------
>                 Key: NIFI-5175
>                 URL: https://issues.apache.org/jira/browse/NIFI-5175
>             Project: Apache NiFi
>          Issue Type: Sub-task
>            Reporter: Jeff Storck
>            Assignee: Jeff Storck
>            Priority: Major
>             Fix For: 1.7.0
> The following issues have been encountered while attempting to run a Java 
> 1.8-built NiFi on Java 9:
> ||Issue||Solution||Status||
> |JAXB classes cannot be found on the classpath|Add 
> "--add-modules=java.xml.bind" to the commant that starts NiFi|Done|
> |NiFI boostrap not able to determine PID, restarts nifi after nifi.sh 
> stop|Detect if NiFi is running on Java 9, and reflectively invoke 
> Process.pid(), which was newly added to the Process API in Java 9|Done|
> ----
> ||Unaddressed issues/warnings with NiFi compiled on Java 1.8 running on Java 
> 9+||Description||Solution||
> |WARNING: An illegal reflective access operation has occurred
>  ..._specific class usage snipped_...
>  WARNING: Use --illegal-access=warn to enable warnings of further illegal 
> reflective access operations
>  WARNING: All illegal access operations will be denied in a future 
> release|Reflective invocations are common in the code used in NiFi and its 
> dependencies in Java 1.8|Full compliant migration to Java 9 and use 
> dependencies that are Java 9 compliant|

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